#643465
Closest named color: Purple Brown (#673A3F). oklch(40.6% 0.098 326.5), rgb(100, 52, 101).
Aa
White text reads best on this color (9.45:1).
About this color
#643465 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.098 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.072 away. White text reads best on it, at 9.45:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.22:1 |
| White text | 9.45:1 |
Values
| HEX | #643465 |
| RGB | rgb(100, 52, 101) |
| HSL | hsl(299, 32%, 30%) |
| OKLCH | oklch(40.6% 0.098 326.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #643465 | 9.45:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #643465 | 2.22:1 | Fails | Lc 12.4 | Not readable |
| #643465 text on white | 9.45:1 | AAA | Lc 91.6 | Preferred for body text |
| #643465 text on black | 2.22:1 | Fails | Lc -10.8 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#F0E6F0
oklch(93.6% 0.017 325.7)
-
Step 200
200
#E5D2E4
oklch(88.5% 0.032 327.4)
-
Step 300
300
#D5B4D5
oklch(80.9% 0.058 326.1)
-
Step 400
400
#BF8CBF
oklch(70.6% 0.093 326.5)
-
Step 500
500
#AE6FAF
oklch(63.1% 0.117 326.3)
-
Step 600
600
#99569A
oklch(55.6% 0.127 326.6)
-
Step 700
700
#834684
oklch(49.2% 0.119 326.6)
-
Step 800
800 (this color)
#643465
oklch(40.6% 0.098 326.5)
-
Step 900
900
#563257
oklch(37.6% 0.076 326)
-
Step 950
950
#331E33
oklch(27.1% 0.048 326.8)
#643465 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #2F4267 | 0.095 |
| Deuteranopia (no green cones) | #3D4863 | 0.084 |
| Tritanopia (no blue cones) | #663947 | 0.057 |
| Achromatopsia (no color) | #464646 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #643465
#643465
oklch(40.6% 0.098 326.5)
- #1D5727
#1D5727
oklch(40.6% 0.098 146.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #643465, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.072
- Grape Purple #5D1451 ΔE 0.073
- Brownish Purple #76424E ΔE 0.074
- Velvet #750851 ΔE 0.075
- Rich Purple #720058 ΔE 0.078
- Dark Slate Blue #483D8B ΔE 0.081
- Rebecca Purple #663399 ΔE 0.087
- Red Purple #820747 ΔE 0.090
Use #643465 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.